(Tuberculosis Vaccine)

What Is Tuberculosis?

Tuberculosis
, or TB, is a bacterial infection caused by the
Mycobacterium tuberculosis
bacterium. The bacteria typically infect the lungs, but they can infect other areas of the body, like the kidney, spine, or brain.

TB is spread from the lungs of a person with TB through coughing. When a person coughs or sneezes, the bacteria travel into the air and may be inhaled by a person standing nearby. TB is most commonly spread through repeated contact, such as within a family. However, short-term exposure can also cause TB.

Children are at increased risk of getting TB. Because of these risks, preventing TB through vaccination is very important to children’s health in countries where TB is common

At one point, TB was the leading cause of death in the US. As treatments were developed, the rates began to drop. Today, there are many fewer cases.

TB is still a major health problem throughout the world, particularly in Africa. This is largely due to the high number of people with
AIDS
. They are at a higher risk of getting TB.

Symptoms depend on where the bacteria have settled and grown in the body. The lungs are frequently infected. Symptoms of TB infection in the lungs include:

A cough that is persistent for three weeks or longer

Chest pain

Coughing up blood or phlegm

Weakness

Fatigue

Loss of appetite

Fever and chills

Night sweats

TB can usually be treated successfully with antibiotics. Without treatment, the disease is often fatal.

What Is the BCG vaccine?

The Bacille Calmette-Guerin vaccine, or BCG, prevents TB.

The vaccine contains live, weakened bacteria. It is given as shot in the muscle.

Who Should Get Vaccinated and When?

The following individuals should be considered for vaccination:

Primarily intended for use in children:

It is widely given in the developing world.

In the developed world, it may be given in certain cases. For example, a child may get the vaccine if he is around adults who have TB that cannot be treated with medicines.

Healthcare workers and people who work in labs—Vaccination is only considered after repeated exposure to patients with TB that is not responding to medicine.

The vaccine is usually given once. It may be given twice in some cases.

What Are the Risks Associated With BCG Vaccine?

The vaccine may cause a TB skin test to have a false-positive reading. This means that you may test positive for TB even though you do not have it. Blood tests are available to check for TB infection that are not affected by previous BCG vaccination.

Common side effects of the vaccine include:

Swollen lymph nodes

Redness at the injection site

Fever

Bloody, frequent, or painful urination

Abdominal discomfort or vomiting

More serious side effects may occur and could lead to serious illness or death.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY.
Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.